"Sat, 20 Jul 2024 21:41:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
21:41:12
General datetime
2024-07-20 21:41:12Z
For Database
2024-07-20 21:41:12
For HTTP1.1
Sat, 20 Jul 2024 21:41:12 GMT